Re: V&H to Lat/Long?

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Article #483

#483

From: JF Mezei
Date: Wed, 02 Jul 2003 20:34

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Ralph wrote:
> Program runs, but doesn't take V&H as input.  It takes some other
> (seemingly metric) coordinate systems I don't recognize:

UTM isn't "metric" per say, but very conveniently maps to metric... It is done
in a set of grids around the earth, defined as alphabetic characters. Inside
each grid, you have a distance from origin of the grid. That distance is what
maps easily to metric.

>    WHICH ELLIPSOID DO YOU WANT ANSWER:
>    1.  CLARKE 1866
>    2.  GRS80/WGS84
>    3.  INTERNATIONAL 1910
>    4.  WGS72
>    5.  OTHER ELLIPSOID

The elipsoid is the mathematical representation of the earth as a
not-so-spherical body. WGS84 is one of the more "standard/common" ones,
although many maps were produced with other ones. For instance, Australia has
recently developped a new one that more precisely represents the earth's
curvature near australia.

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